CVE-2009-1439 Memory corruption in n/a

High 7.8 Published Updated

Remote attackers can crash the Linux kernel via a buffer overflow in the CIFS module by sending a malformed SMB Tree Connect response.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2009-1439?

CVE-2009-1439 is a high-severity memory corruption vulnerability in Linux kernel, published on 27 Apr 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in fs/cifs/connect.c in CIFS in the Linux kernel 2.6.29 and earlier allows remote attackers to cause a denial of service (crash) via a long nativeFileSystem field in a Tree Connect response to an SMB mount request.

Weakness: CWE-119

Which versions are affected by CVE-2009-1439?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-1439?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-1439 being exploited?

There is no known exploitation of CVE-2009-1439 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-j77x-557v-p2cj.

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